3. The genetic code is commaless, which means that no codon is reserved for punctuations. It means that after one amino acid is coded, the second amino acid will be automatically, coded by the next three letters and that no letters are wasted as the punctuation marks (Fig.
Summer solstice is the first day of summer - it's usually between June 20th and June 23rd. In 2016, the summer solstice takes place on June 20th. We know it's summer because the earth's axis tilts toward the sun from June to September - this means warmer weather and longer days.
Watching solstices and equinoxes from space. How sunlight falls on Earthâs surface during the solstices and equinoxes, as seen from geosynchronous orbit. In 2015, summer solstice for the Northern Hemisphere (winter solstice for the Southern Hemisphere) will take place on June 21, at 16:38 Universal Time. Thatâs 11:38 a.m. CDT in North America on Sunday, June 21. More.